Side Step Nerf Bars function as a safer way of getting in and out of your car, but will also gives a new aggressive but stylish look. Its hollow reinforced tube structure ensures that the bars are light but still provide a strong step for years to come.. CHEVROLET COLORADO 04-10 Chevrolet Colorado Ext. Cab SIDEBAR 3inch Black EXTENDED CAB Nerf Bars & Tube Side Step Bars Stainless Products PERFORMANCE 1 SET RH & LH 2004,2005,2006,2007,2008,2009,2010